org.apache.jcs.auxiliary.disk.jisp
Class JISPCache

java.lang.Object
  org.apache.jcs.auxiliary.disk.AbstractDiskCache
      org.apache.jcs.auxiliary.disk.jisp.JISPCache

All Implemented Interfaces:

AuxiliaryCache, ICache, ICacheType, java.io.Serializable

public class JISPCache

extends AbstractDiskCache

JISP disk cache implementation. Slow as hell with this type of key. VERY EXPERIMENTAL, and only partially implemented Does not work with groups.

Version:

$Id: ILateralCacheTCPListener.java,v 1.2 2002/01/18 22:08:26

Author:

Aaron Smuts

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class org.apache.jcs.auxiliary.disk.AbstractDiskCache

Field Summary

(package private) JISPCacheAttributes	cattr
(package private) com.coyotegulch.jisp.IndexedObjectDatabase	database
(package private) com.coyotegulch.jisp.BTreeIndex	index1
boolean	isAlive Description of the Field
(package private) java.lang.String	jispDataFileName
(package private) java.lang.String	jispIndexFileName
private static org.apache.commons.logging.Log	log
private int	numInstances
private static int	s_order

Fields inherited from class org.apache.jcs.auxiliary.disk.AbstractDiskCache

alive, cacheEventQueue, cacheName, lock, locker, purgatory, purgHits

Fields inherited from interface org.apache.jcs.engine.behavior.ICacheType

CACHE_HUB, DISK_CACHE, LATERAL_CACHE, REMOTE_CACHE

Constructor Summary

JISPCache(JISPCacheAttributes cattr)
Constructor for the JISPCache object

Method Summary

void	createDB(boolean clear) Description of the Method
void	doDispose() Description of the Method
protected ICacheElement	doGet(java.io.Serializable key) Description of the Method
protected boolean	doRemove(java.io.Serializable key) Returns true if the removal was succesful; or false if there is nothing to remove.
protected void	doRemoveAll() Description of the Method
protected void	doUpdate(ICacheElement ce) Description of the Method
java.util.Set	getGroupKeys(java.lang.String groupName) Gets the set of keys of objects currently in the group
int	getSize() Returns the current cache size.
private void	reset() Description of the Method
(package private) void	setupTABLE() SETUP TABLE FOR CACHE

Methods inherited from class org.apache.jcs.auxiliary.disk.AbstractDiskCache

dispose, get, getCacheName, getCacheType, getStatus, remove, removeAll, update

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

private static final org.apache.commons.logging.Log log

numInstances

private int numInstances

isAlive

public boolean isAlive

Description of the Field

cattr

JISPCacheAttributes cattr

database

com.coyotegulch.jisp.IndexedObjectDatabase database

index1

com.coyotegulch.jisp.BTreeIndex index1

s_order

private static int s_order

jispDataFileName

java.lang.String jispDataFileName

jispIndexFileName

java.lang.String jispIndexFileName

Constructor Detail

JISPCache

public JISPCache(JISPCacheAttributes cattr)

Constructor for the JISPCache object

Parameters:

cattr -

Method Detail

setupTABLE

void setupTABLE()

SETUP TABLE FOR CACHE

createDB

public void createDB(boolean clear)
              throws java.lang.Exception

Description of the Method

Throws:

java.lang.Exception

doUpdate

protected void doUpdate(ICacheElement ce)

Description of the Method

Specified by:

doUpdate in class AbstractDiskCache

doGet

protected ICacheElement doGet(java.io.Serializable key)

Description of the Method

Specified by:

doGet in class AbstractDiskCache

Parameters:

key - Key to locate value for.

Returns:

An object matching key, or null.

getGroupKeys

public java.util.Set getGroupKeys(java.lang.String groupName)

Description copied from interface: AuxiliaryCache

Gets the set of keys of objects currently in the group

Specified by:

getGroupKeys in interface AuxiliaryCache

Specified by:

getGroupKeys in class AbstractDiskCache

doRemove

protected boolean doRemove(java.io.Serializable key)

Returns true if the removal was succesful; or false if there is nothing to remove. Current implementation always result in a disk orphan.

Specified by:

doRemove in class AbstractDiskCache

Parameters:

key - Key of object to remove.

doRemoveAll

protected void doRemoveAll()

Description of the Method

Specified by:

doRemoveAll in class AbstractDiskCache

reset

private void reset()

Description of the Method

doDispose

public void doDispose()

Description of the Method

Specified by:

doDispose in class AbstractDiskCache

getSize

public int getSize()

Returns the current cache size.

Specified by:

getSize in interface AuxiliaryCache

Specified by:

getSize in class AbstractDiskCache

Returns:

The size value

See Also:

ICache#getSize